Display screen or portion thereof of a device with graphical user interface for a welding system



The FIGURE is a front view of a display or portion thereof of a devicewith graphical user interface for a welding system.

The broken line showing of the display screen forms no part of theclaimed design. The broken lines are for environmental purposes only andform no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof of adevice with graphical user interface for a welding system, as shown anddescribed.